This is minimum required permissions for backup/restore using CloudBerry Backup - it grants read/write access to a certain vault to your IAM user. Note: to get ARN address (arn:aws:glacier:YOURREGION:XXXXXXXXXXXX:vaults/YOURVAULT) of your vault you can right-click on the vault being on left or right pane in CloudBerry Explorer and select Properties, then you will see Vault ARN (copy-paste it):

Click OK to create a policy.

5 After all the steps are completed, to let this user back up with CloudBerry Backup you have to create Access and Secret Keys for it.